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120021220021010 = 25721167732891267
BaseRepresentation
bin11011010010100010011110…
…001011110101001100010010
3120201221220202011222210101112
4123102202132023311030102
5111212411424311133020
61103132553131333322
734165150501323500
oct3322423613651422
9521856664883345
10120021220021010
1135273793834060
1211564abb8b1242
1351c7c4c7b8919
14218d0b53b7670
15dd20625642c5
hex6d289e2f5312

120021220021010 has 96 divisors (see below), whose sum is σ = 274561043715648. Its totient is φ = 37353952970880.

The previous prime is 120021220021009. The next prime is 120021220021049. The reversal of 120021220021010 is 10120022120021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12796604 + ... + 20094663.

It is an arithmetic number, because the mean of its divisors is an integer number (2860010872038).

Almost surely, 2120021220021010 is an apocalyptic number.

120021220021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021220021010 is an abundant number, since it is smaller than the sum of its proper divisors (154539823694638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021220021010 is a wasteful number, since it uses less digits than its factorization.

120021220021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32891976 (or 32891969 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120021220021010 its reverse (10120022120021), we get a palindrome (130141242141031).

The spelling of 120021220021010 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty million, twenty-one thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 154 245 385 490 539 677 770 1078 1354 2695 3385 4739 5390 6770 7447 9478 14894 23695 33173 37235 47390 52129 66346 74470 104258 165865 260645 331730 364903 521290 729806 1824515 3649030 32891267 65782534 164456335 230238869 328912670 361803937 460477738 723607874 1151194345 1611672083 1809019685 2302388690 2532627559 3223344166 3618039370 5065255118 8058360415 12663137795 16116720830 17728392913 22267387759 25326275590 35456785826 44534775518 88641964565 111336938795 155871714313 177283929130 222673877590 244941265349 311743428626 489882530698 779358571565 1091102000191 1224706326745 1558717143130 1714588857443 2182204000382 2449412653490 3429177714886 5455510000955 8572944287215 10911020001910 12002122002101 17145888574430 24004244004202 60010610010505 120021220021010